7265448919 has 4 divisors (see below), whose sum is σ = 7267274280. Its totient is φ = 7263623560.

The previous prime is 7265448913. The next prime is 7265448923. The reversal of 7265448919 is 9198445627.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9198445627 = 7 ⋅1314063661.

It is a cyclic number.

It is not a de Polignac number, because 7265448919 - 2⁵ = 7265448887 is a prime.

It is a super-2 number, since 2×7265448919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7265448919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7265448913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906697 + ... + 914674.

It is an arithmetic number, because the mean of its divisors is an integer number (1816818570).

Almost surely, 2^7265448919 is an apocalyptic number.

7265448919 is a deficient number, since it is larger than the sum of its proper divisors (1825361).

7265448919 is a wasteful number, since it uses less digits than its factorization.

7265448919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1825360.

The product of its digits is 4354560, while the sum is 55.

The square root of 7265448919 is about 85237.6027290773. The cubic root of 7265448919 is about 1936.8120774089.

The spelling of 7265448919 in words is "seven billion, two hundred sixty-five million, four hundred forty-eight thousand, nine hundred nineteen".